#474F75
Closest named color: Dusk (#4E5481). oklch(43.7% 0.064 274.4), rgb(71, 79, 117).
Aa
White text reads best on this color (7.94:1).
About this color
#474F75 is a dark, muted blue. In OKLCH its lightness is 44%, its chroma 0.064 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.026 away. White text reads best on it, at 7.94:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.64:1 |
| White text | 7.94:1 |
Values
| HEX | #474F75 |
| RGB | rgb(71, 79, 117) |
| HSL | hsl(230, 24%, 37%) |
| OKLCH | oklch(43.7% 0.064 274.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #474F75 | 7.94:1 | AAA | Lc -92.2 | Preferred for body text |
| Black text on #474F75 | 2.64:1 | Fails | Lc 16.5 | Dividers and decoration only |
| #474F75 text on white | 7.94:1 | AAA | Lc 87.5 | Fine for body text |
| #474F75 text on black | 2.64:1 | Fails | Lc -14.6 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7E9F1
oklch(93.5% 0.011 274.9)
-
Step 200
200
#D5D8E7
oklch(88.4% 0.021 276.9)
-
Step 300
300
#B9BFD9
oklch(80.8% 0.037 275.2)
-
Step 400
400
#959EC6
oklch(70.6% 0.059 274.9)
-
Step 500
500
#7B86B8
oklch(63% 0.077 274.4)
-
Step 600
600
#646FA4
oklch(55.5% 0.084 274.4)
-
Step 700
700
#535D8C
oklch(49% 0.076 274.1)
-
Step 800
800 (this color)
#474F75
oklch(43.7% 0.064 274.4)
-
Step 900
900
#39405C
oklch(37.8% 0.049 273.1)
-
Step 950
950
#222536
oklch(27% 0.032 276.3)
#474F75 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #435377 | 0.012 |
| Deuteranopia (no green cones) | #3F4F74 | 0.012 |
| Tritanopia (no blue cones) | #39565D | 0.055 |
| Achromatopsia (no color) | #515151 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #474F75
#474F75
oklch(43.7% 0.064 274.4)
- #5D5126
#5D5126
oklch(43.7% 0.063 94)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #474F75, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.026
- YInMn Blue #415A77 ΔE 0.033
- Dusty Grape #545775 ΔE 0.033
- Twilight #4E518B ΔE 0.038
- Light Navy Blue #2E5A88 ΔE 0.045
- Dusk Blue #26538D ΔE 0.052
- Denim Blue #3B5B92 ΔE 0.053
- Light Navy #155084 ΔE 0.056
Use #474F75 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.